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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_2bf6146106b191d8ff3cfe67c1b10657.html">poly</a></li>  </ul>
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<a href="polymorphic__execution_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef GRPPI_POLY_POLYMORPHIC_EXECUTION_H</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define GRPPI_POLY_POLYMORPHIC_EXECUTION_H</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &quot;../seq/sequential_execution.h&quot;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &quot;../native/parallel_execution_native.h&quot;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;../tbb/parallel_execution_tbb.h&quot;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;../omp/parallel_execution_omp.h&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;typeinfo&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrppi.html">grppi</a>{</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;</div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacegrppi.html#ab5283566cb0405275f53062a0b905634">   36</a></span>&#160;constexpr <span class="keywordtype">bool</span> <a class="code" href="namespacegrppi.html#ab5283566cb0405275f53062a0b905634">is_execution_policy</a>() {</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;  <span class="keywordflow">return</span> is_sequential_execution&lt;E&gt;() </div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;      || is_parallel_execution_native&lt;E&gt;()</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;      || is_parallel_execution_tbb&lt;E&gt;()</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;      || is_parallel_execution_omp&lt;E&gt;()</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;  ;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;}</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">using</span> <a class="code" href="namespacegrppi.html#a010bbfca0375c837274a79494ea2162d">requires_execution_policy</a> =</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a010bbfca0375c837274a79494ea2162d">   47</a></span>&#160;  std::enable_if_t&lt;is_execution_policy&lt;E&gt;(), <span class="keywordtype">int</span>&gt;;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">using</span> <a class="code" href="namespacegrppi.html#a99d34f024fd79a1f2fb41ea9c780df2b">requires_not_execution_policy</a> =</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a99d34f024fd79a1f2fb41ea9c780df2b">   52</a></span>&#160;  std::enable_if_t&lt;!is_execution_policy&lt;E&gt;(), <span class="keywordtype">int</span>&gt;;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment">// Forward declare polymorphic execution</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">class </span><a class="code" href="classgrppi_1_1polymorphic__execution.html">polymorphic_execution</a>;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">// Forward declare make execution for polymorphic execution</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<a class="code" href="classgrppi_1_1polymorphic__execution.html">polymorphic_execution</a> <a class="code" href="namespacegrppi.html#a63dea207552c8892fbe18aeb88cd0a68">make_polymorphic_execution</a>();</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html">   63</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrppi_1_1polymorphic__execution.html">polymorphic_execution</a> {</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html#aa171d26114dbeccf23778cdccaeb09b2">   67</a></span>&#160;  <a class="code" href="classgrppi_1_1polymorphic__execution.html#aa171d26114dbeccf23778cdccaeb09b2">polymorphic_execution</a>() noexcept :</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    execution_{},</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    execution_type_{<span class="keyword">nullptr</span>}</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;  {}</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html#af21a7b59880a7ddc517896c669ccfb56">   73</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classgrppi_1_1polymorphic__execution.html#af21a7b59880a7ddc517896c669ccfb56">has_execution</a>() const noexcept { <span class="keywordflow">return</span> execution_.get() != <span class="keyword">nullptr</span>; }</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html#a9f13a825bf6b899fabd7b7e008bb7c15">   77</a></span>&#160;  <span class="keyword">const</span> std::type_info &amp; <a class="code" href="classgrppi_1_1polymorphic__execution.html#a9f13a825bf6b899fabd7b7e008bb7c15">type</a>() const noexcept { </div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keywordflow">return</span> *execution_type_; </div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  }</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;  <span class="comment">// Check if the current execution is of type E</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;</div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html#a8a2c6161b3a05ded7f6ef2081b6dc531">   83</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classgrppi_1_1polymorphic__execution.html#a8a2c6161b3a05ded7f6ef2081b6dc531">is_execution</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="classgrppi_1_1polymorphic__execution.html#af21a7b59880a7ddc517896c669ccfb56">has_execution</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">typeid</span>(E) == *execution_type_;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  }</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> E, </div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            <a class="code" href="namespacegrppi.html#a010bbfca0375c837274a79494ea2162d">requires_execution_policy&lt;E&gt;</a> = 0&gt;</div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html#a3e71cdfa3ce06213b8526ad690282a12">   91</a></span>&#160;  E * <a class="code" href="classgrppi_1_1polymorphic__execution.html#a3e71cdfa3ce06213b8526ad690282a12">execution_ptr</a>() {</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="classgrppi_1_1polymorphic__execution.html#af21a7b59880a7ddc517896c669ccfb56">has_execution</a>()) <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keywordflow">if</span> (*execution_type_ != <span class="keyword">typeid</span>(E)) <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>E*<span class="keyword">&gt;</span>(execution_.get());</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  }</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> E, </div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            <a class="code" href="namespacegrppi.html#a99d34f024fd79a1f2fb41ea9c780df2b">requires_not_execution_policy&lt;E&gt;</a> = 0&gt;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classgrppi_1_1polymorphic__execution.html#a3e71cdfa3ce06213b8526ad690282a12">  100</a></span>&#160;  E * <a class="code" href="classgrppi_1_1polymorphic__execution.html#a3e71cdfa3ce06213b8526ad690282a12">execution_ptr</a>() {</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;  }</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  std::shared_ptr&lt;void&gt; execution_;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keyword">const</span> std::type_info * execution_type_;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;</div><div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a63dea207552c8892fbe18aeb88cd0a68">  117</a></span>&#160;  <span class="keyword">friend</span> <a class="code" href="classgrppi_1_1polymorphic__execution.html">polymorphic_execution</a> <a class="code" href="classgrppi_1_1polymorphic__execution.html#abc48fb7fa6d41734bcbe04429ce3b56c">make_polymorphic_execution</a>() {</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <a class="code" href="classgrppi_1_1polymorphic__execution.html">polymorphic_execution</a> e;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">if</span> (!is_supported&lt;E&gt;()) <span class="keywordflow">return</span> e;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    e.execution_ = std::make_shared&lt;E&gt;();</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    e.execution_type_ = &amp;<span class="keyword">typeid</span>(E);</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keywordflow">return</span> e;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  }</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;};</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;} <span class="comment">// end namespace grppi</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="namespacegrppi_html"><div class="ttname"><a href="namespacegrppi.html">grppi</a></div><div class="ttdef"><b>Definition:</b> callable_traits.h:24</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html_abc48fb7fa6d41734bcbe04429ce3b56c"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html#abc48fb7fa6d41734bcbe04429ce3b56c">grppi::polymorphic_execution::make_polymorphic_execution</a></div><div class="ttdeci">friend polymorphic_execution make_polymorphic_execution()</div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:117</div></div>
<div class="ttc" id="namespacegrppi_html_a63dea207552c8892fbe18aeb88cd0a68"><div class="ttname"><a href="namespacegrppi.html#a63dea207552c8892fbe18aeb88cd0a68">grppi::make_polymorphic_execution</a></div><div class="ttdeci">polymorphic_execution make_polymorphic_execution()</div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:117</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html_a8a2c6161b3a05ded7f6ef2081b6dc531"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html#a8a2c6161b3a05ded7f6ef2081b6dc531">grppi::polymorphic_execution::is_execution</a></div><div class="ttdeci">bool is_execution() const </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:83</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html_a9f13a825bf6b899fabd7b7e008bb7c15"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html#a9f13a825bf6b899fabd7b7e008bb7c15">grppi::polymorphic_execution::type</a></div><div class="ttdeci">const std::type_info &amp; type() const noexcept</div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:77</div></div>
<div class="ttc" id="namespacegrppi_html_a010bbfca0375c837274a79494ea2162d"><div class="ttname"><a href="namespacegrppi.html#a010bbfca0375c837274a79494ea2162d">grppi::requires_execution_policy</a></div><div class="ttdeci">std::enable_if_t&lt; is_execution_policy&lt; E &gt;(), int &gt; requires_execution_policy</div><div class="ttdoc">Simulate concept requirement for being an execution policy. </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:47</div></div>
<div class="ttc" id="namespacegrppi_html_ab5283566cb0405275f53062a0b905634"><div class="ttname"><a href="namespacegrppi.html#ab5283566cb0405275f53062a0b905634">grppi::is_execution_policy</a></div><div class="ttdeci">constexpr bool is_execution_policy()</div><div class="ttdoc">Meta-function to determine if a type is an execution policy. </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:36</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html_af21a7b59880a7ddc517896c669ccfb56"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html#af21a7b59880a7ddc517896c669ccfb56">grppi::polymorphic_execution::has_execution</a></div><div class="ttdeci">bool has_execution() const noexcept</div><div class="ttdoc">Determine if there is an execution stored. </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:73</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html_a3e71cdfa3ce06213b8526ad690282a12"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html#a3e71cdfa3ce06213b8526ad690282a12">grppi::polymorphic_execution::execution_ptr</a></div><div class="ttdeci">E * execution_ptr()</div><div class="ttdoc">Get the execution pointer for a given type. </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:91</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html">grppi::polymorphic_execution</a></div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:63</div></div>
<div class="ttc" id="classgrppi_1_1polymorphic__execution_html_aa171d26114dbeccf23778cdccaeb09b2"><div class="ttname"><a href="classgrppi_1_1polymorphic__execution.html#aa171d26114dbeccf23778cdccaeb09b2">grppi::polymorphic_execution::polymorphic_execution</a></div><div class="ttdeci">polymorphic_execution() noexcept</div><div class="ttdoc">Create empty polymorphic execution. </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:67</div></div>
<div class="ttc" id="namespacegrppi_html_a99d34f024fd79a1f2fb41ea9c780df2b"><div class="ttname"><a href="namespacegrppi.html#a99d34f024fd79a1f2fb41ea9c780df2b">grppi::requires_not_execution_policy</a></div><div class="ttdeci">std::enable_if_t&lt;!is_execution_policy&lt; E &gt;(), int &gt; requires_not_execution_policy</div><div class="ttdoc">Simulate concept requirement for not being an execution policy. </div><div class="ttdef"><b>Definition:</b> polymorphic_execution.h:52</div></div>
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